package com.hpu.filter;

import java.io.IOException;

import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;


public class EncodingFilter extends AbstractFilter{
	
	String encoding = "UTF-8";
	@Override
	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		
		request.setCharacterEncoding(encoding);
		chain.doFilter(request, response);
	}
	
	@Override
	public void init(FilterConfig filerConfig) throws ServletException {
		String value = filerConfig.getInitParameter("encoding");
		if(value != null || !"".equals(value)) {
			encoding = value;
		}
	}

}
